CN114744354B - Lithium ion battery pack with compression-resistant bearing function - Google Patents

Lithium ion battery pack with compression-resistant bearing function Download PDF

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Publication number
CN114744354B
CN114744354B CN202210403055.1A CN202210403055A CN114744354B CN 114744354 B CN114744354 B CN 114744354B CN 202210403055 A CN202210403055 A CN 202210403055A CN 114744354 B CN114744354 B CN 114744354B
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China
Prior art keywords
plate
ejection
inner plate
sleeve
frame
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CN202210403055.1A
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Chinese (zh)
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CN114744354A (en
Inventor
刘奇
兰司
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City University of Hong Kong CityU
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City University of Hong Kong CityU
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/64—Constructional details of batteries specially adapted for electric vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/653—Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6554—Rods or plates
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6561—Gases
    • H01M10/6563—Gases with forced flow, e.g. by blowers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
    • H01M50/242—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries against vibrations, collision impact or swelling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Abstract

The invention relates to the technical field of battery components, in particular to a lithium ion battery component with a compression-resistant bearing function, which comprises an installation outer frame, a swinging bearing inner plate, a battery heat-conducting cylinder, air duct fins and a downward-pressing fin wing, wherein the installation outer frame is rectangular, the swinging bearing inner plate is arranged in the installation outer frame in a swinging way, the battery heat-conducting plate is arranged above the swinging bearing inner plate in a lifting way, and the battery heat-conducting cylinder is fixedly arranged on the upper surface position of the battery heat-conducting plate; according to the invention, the expansion and contraction of the hydraulic lifting cylinder are controlled by matching with the vehicle speed, when the vehicle speed is increased, the hydraulic lifting cylinder contracts, so that the battery heat-conducting plate moves downwards, the air duct fins penetrate through the swinging bearing inner plate to extend downwards, the gravity center position of the battery assembly is greatly reduced, the vehicle can be more stable when running at a high speed, meanwhile, high-speed air flow can pass through the surface of the air duct fins due to the downward extending of the air duct fins, and the heat dissipation effect of the air duct fins on the battery assembly is improved.

Description

Lithium ion battery pack with compression-resistant bearing function
Technical Field
The invention relates to the technical field of battery assemblies, in particular to a lithium ion battery assembly with a compression-resistant bearing function.
Background
Lithium ion battery mainly relies on lithium ion to remove between positive pole and negative pole and works, lithium ion battery energy density is big, average output voltage is high, self-discharge is little, because its stronger performance is widely used in electric automobile drive, lithium ion battery can produce a large amount of heats because inside violent chemical reaction when high-power discharging, traditional lithium ion battery supporting component only has resistance to compression bearing function, can't provide high-efficient radiating effect when lithium battery high-power discharging, lithium battery group often the vehicle is in high-speed state when high-power discharging, traditional battery supporting component can not improve electric automobile's high-speed stability and security, lack the performance progress.
Disclosure of Invention
The invention aims to provide a lithium ion battery assembly with a compression-resistant bearing function, so as to solve the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a lithium ion battery module with resistance to compression bearing function, includes installation frame, swing bearing inner panel, battery heat-conducting plate, battery heat-conducting tube, wind channel fin and pushes down the fin wing, the installation frame is rectangular frame form, and swing bearing inner panel swing setting is in the inside of installation frame, the battery heat-conducting plate goes up and down to set up in the top of swing bearing inner panel, battery heat-conducting tube fixed mounting is in the upper surface position of battery heat-conducting plate, wind channel fin fixed mounting is in the lower surface position of battery heat-conducting plate, wind channel fin passes swing bearing inner panel and stretches out downwards, wind channel fin inside is located the fixed fin wing that pushes down that is provided with of below of swing bearing inner panel, it is the plane to push down fin wing upper surface, and the lower surface is the cambered surface; an elastic lifting mechanism with an emergency ejection function is arranged between the swing bearing inner plate and the battery heat-conducting plate, and a reversing driving structure is arranged between the mounting outer frame and the swing bearing inner plate.
Preferably, the elastic lifting mechanism comprises a fixed vertical plate, a clamping transverse plate, a positioning hole, a positioning frame, a positioning column body, an upper pressure spring, a lower spring, a hydraulic lifting cylinder, a conduction contact block, an ejection fixing pipe, an ejection inserting cavity, a fixing supporting ring, a positioning pin column and ejection gunpowder.
Preferably, the fixed risers are fixedly arranged on the upper surface of the battery heat conducting plate and close to four corners, the clamping transverse plates are fixedly arranged on the upper end surface of the fixed risers, positioning holes are formed in the clamping transverse plates, and the positioning holes penetrate the clamping transverse plates vertically.
Preferably, the outside of centre gripping diaphragm is provided with the locating rack, the locating rack is the C font, locating cylinder fixed mounting is in the inside of locating rack, and the up and down terminal surface of locating cylinder all is fixed with the inside surface contact of locating rack respectively, the locating cylinder alternates through the locating hole.
Preferably, the outside of locating cylinder is located the cover and is fixed with upper portion pressure spring between the upper surface of centre gripping diaphragm and the inside upper surface of locating rack, the outside of locating cylinder is located the cover and is fixed with the lower part spring between the lower surface of centre gripping diaphragm and the inside lower surface of locating rack, the fixed pneumatic lift jar that is provided with in below of locating rack, the lower extreme surface of pneumatic lift jar and the upper surface position fixed mounting of swing bearing inner panel.
Preferably, the upper surface of the clamping transverse plate and the inner upper surface position of the positioning frame are respectively and fixedly embedded with conduction contact blocks, the two conduction contact blocks are mutually corresponding in position, the lower surface position of the positioning frame is fixedly provided with a ejection fixing pipe, the ejection fixing pipe is hollow and tubular, the end surface position of a telescopic rod of the hydraulic lifting cylinder is provided with an ejection inserting cavity, the ejection fixing pipe is fixedly inserted into the ejection inserting cavity, a fixing support ring is fixedly arranged in the ejection inserting cavity, the fixing support ring is in an annular ring shape, the lower end surface of the ejection fixing pipe is propped against the upper surface position of the fixing support ring, the ejection fixing pipe and the surfaces of the ejection inserting cavity are respectively provided with through holes, the ejection fixing pipe and the ejection inserting cavity are mutually corresponding in position and size, the positioning pin is fixedly inserted into the two through holes, the ejection fixing pipe is positioned below the fixing support ring in the inside the ejection inserting cavity, and the ejection gunpowder and the two contact blocks are in series connection when in linkage with the conduction contact blocks.
Preferably, the reversing driving structure comprises an inner plate reversing column, a reversing chuck, a reversing sleeve, a telescopic inner rod, an inner rod sleeve, a sleeve limiting ring, an inner rod limiting block, a driving screw block, a matched screw hole, a driving screw rod and a screw rod end seat.
Preferably, the inner plate reversing column is fixedly mounted at the upper surface position of the swing supporting inner plate, the number of the reversing chucks is two in total, the reversing sleeves are fixedly mounted at the outer surface position of the inner plate reversing column, the reversing sleeves are rotatably sleeved outside the inner plate reversing column and positioned between the two groups of reversing chucks, the telescopic inner rod is fixedly mounted at the outer surface position of the reversing sleeve, the inner rod sleeves are sleeved at one end of the telescopic inner rod, sleeve limiting rings are fixedly mounted at the two end surface positions of the inner rod sleeves respectively, the inner rod limiting blocks are positioned at the one end surface position of the telescopic inner rod, the driving screw blocks are fixedly mounted at the outer surface position of the inner rod sleeve, the driving screw blocks are internally provided with matched screw holes, driving screw rods are spirally mounted inside the matched screw holes, screw rod end seats are respectively arranged at the two end surface positions of the driving screw rods, the screw rod end seats are rotatably mounted between the driving screw rods, and the screw rod end seats are fixedly mounted at the upper surface position of the mounting outer frame.
Preferably, the installation nail hole has been seted up to the surface of installation frame, swing bearing inner panel's upper surface position fixed mounting has the inner panel post, the surface position fixed mounting of inner panel post has the inner panel spacing dish, the outside cover that rotates of inner panel post is equipped with the inner panel sleeve, the inner panel sleeve is located between two inner panel spacing dishes, the telescopic chamber pipe of inner panel telescopic surface position fixed mounting.
Preferably, the inside activity of flexible chamber pipe is inserted and is equipped with the intracavity post, the tip fixed mounting of flexible chamber pipe has spacing end plate, the intracavity post alternates through spacing end plate, the one end surface position fixed mounting of intracavity post has the inner column cardboard, the inner column cardboard is located the inside of flexible chamber pipe, the upper surface position fixed mounting of installation frame has the frame post, the outside of frame post rotates the cover and is equipped with the frame sleeve, the other end and the telescopic external surface of frame of intracavity post are fixed, the fixed mounting of external surface position of frame post has the frame chuck, the frame sleeve is located between two frame chucks.
Compared with the prior art, the invention has the beneficial effects that:
according to the lithium ion battery assembly with the compression-resistant bearing function, the expansion and contraction of the hydraulic lifting cylinder are controlled through matching with the vehicle speed, when the road surface is smooth and the vehicle speed is increased, the hydraulic lifting cylinder is contracted, so that the battery heat-conducting plate moves downwards, the air duct fins penetrate through the swing bearing inner plate and extend downwards, the gravity center position of the battery assembly is greatly reduced, the vehicle can more stably run at a high speed, meanwhile, the high-speed air flow can pass through the surface of the air duct fins due to the fact that the lower stretching of the air duct fins can enable the heat dissipation effect of the air duct fins on the battery assembly to be improved, the battery is more stable during high-power discharge, and the high-speed stability of the electric vehicle is improved;
the downward pressure of the air flow can be generated when the air flow passes through the downward pressure fin wings at high speed through the downward pressure fin wings arranged between the air duct fins, so that the gravity center position of the electric vehicle during the running at high speed is further reduced, and the high-speed stability of the high-performance electric vehicle can be greatly improved;
through the matching linkage of the reversing driving structure and the rotating angle of the steering wheel of the vehicle, the swinging bearing inner plate can swing along with the rotation of the steering wheel, so that the angle of the air duct fins is changed, the air duct fins can swing along with the swinging when the vehicle turns at a high speed, the air duct fins can be always matched with the air duct, the high-speed turning stability of the vehicle is greatly improved, and the side-floating problem is greatly reduced;
when the air duct fin or the battery heat conducting plate is extruded and impacted, the upward pressure can compress the upper pressure spring, so that the conduction contact block is in contact conduction, at the moment, the ejection gunpowder can be electrified and detonated, the positioning pin column is ejected by the explosion pressure, the ejection fixing tube is further ejected, and at the moment, the battery heat conducting plate is instantly changed into a free state, so that the impact pressure is greatly reduced, the collision damage of a battery assembly is reduced, and the safety is improved.
Drawings
FIG. 1 is a left side oblique view of the overall structure of the present invention;
FIG. 2 is a right side elevational view of the overall structure of the present invention;
FIG. 3 is a schematic view of the overall structure of the present invention;
FIG. 4 is a front view of the present invention;
FIG. 5 is a cross-sectional view taken at A-A of FIG. 4;
FIG. 6 is a top view of the overall structure of the present invention;
FIG. 7 is a cross-sectional view taken at B-B of FIG. 6;
FIG. 8 is a cross-sectional view taken at C-C of FIG. 6;
FIG. 9 is an enlarged view of FIG. 7 at A;
fig. 10 is a side view of the overall structure of the present invention.
In the figure: 1. installing an outer frame; 2. swinging and supporting the inner plate; 3. a battery heat-conducting plate; 4. a battery heat conduction cylinder; 5. an air duct fin; 6. pressing down the fin wings; 301. fixing a vertical plate; 302. clamping the transverse plate; 303. positioning holes; 304. a positioning frame; 305. positioning columns; 306. an upper compression spring; 307. a lower spring; 308. a hydraulic lifting cylinder; 309. conducting the contact block; 310. ejecting the fixed pipe; 311. an ejection insertion cavity; 312. fixing the stay ring; 313. positioning pin posts; 314. ejecting gunpowder; 201. an inner plate reversing column; 202. a reversing chuck; 203. a reversing sleeve; 204. a telescopic inner rod; 205. an inner rod sleeve; 206. a sleeve limit ring; 207. an inner rod limiting block; 208. driving the screw block; 209. matching with the screw holes; 210. driving a screw rod; 211. a wire rod end seat; 101. installing a nail hole; 102. an inner plate column; 103. an inner plate limiting plate; 104. an inner plate sleeve; 105. a telescoping lumen; 106. an intra-lumen column; 107. a limiting end plate; 108. an inner column clamping plate; 109. an outer frame column; 110. an outer frame sleeve; 111. and an outer frame chuck.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 10, the present invention provides a technical solution: the lithium ion battery assembly with the compression-resistant bearing function comprises an installation outer frame 1, a swinging bearing inner plate 2, a battery heat-conducting plate 3, a battery heat-conducting cylinder 4, air duct fins 5 and pressing fin wings 6, wherein the installation outer frame 1 is in a rectangular frame shape, the swinging bearing inner plate 2 is arranged in the installation outer frame 1 in a swinging mode, the battery heat-conducting plate 3 is arranged above the swinging bearing inner plate 2 in a lifting mode, the battery heat-conducting cylinder 4 is fixedly arranged at the upper surface position of the battery heat-conducting plate 3, the air duct fins 5 are fixedly arranged at the lower surface position of the battery heat-conducting plate 3, the air duct fins 5 penetrate through the swinging bearing inner plate 2 to extend downwards, the pressing fin wings 6 are fixedly arranged below the swinging bearing inner plate 2 in the air duct fins 5, the upper surfaces of the pressing fin wings 6 are planes, the lower surfaces are cambered surfaces, the section shapes of the pressing fin wings 6 are as shown in fig. 8, and the lower surfaces of the pressing fin wings 6 are cambered surfaces, so that the air flow speed is high, and the pressure intensity is small, and the pressing fin wings 6 can generate downward pressure; an elastic lifting mechanism with an emergency ejection function is arranged between the swing bearing inner plate 2 and the battery heat-conducting plate 3, and a reversing driving structure is arranged between the installation outer frame 1 and the swing bearing inner plate 2.
The elastic lifting mechanism comprises a fixed vertical plate 301, a clamping transverse plate 302, a positioning hole 303, a positioning frame 304, a positioning column 305, an upper pressure spring 306, a lower spring 307, a hydraulic lifting cylinder 308, a conducting contact block 309, an ejection fixing tube 310, an ejection inserting cavity 311, a fixed supporting ring 312, a positioning pin 313 and ejection gunpowder 314; the fixed vertical plates 301 are fixedly arranged on the upper surface of the battery heat-conducting plate 3 near four corners respectively, the clamping transverse plates 302 are fixedly arranged on the upper end surface of the fixed vertical plates 301, positioning holes 303 are formed in the clamping transverse plates 302, and the positioning holes 303 penetrate the clamping transverse plates 302 up and down; the outside of the clamping transverse plate 302 is provided with a positioning frame 304, the positioning frame 304 is C-shaped, a positioning column body 305 is fixedly arranged in the positioning frame 304, the upper end face and the lower end face of the positioning column body 305 are respectively in contact and fixed with the inner surface of the positioning frame 304, and the positioning column body 305 is inserted through the positioning hole 303; an upper pressure spring 306 is sleeved and fixed between the upper surface of the clamping diaphragm 302 and the inner upper surface of the positioning frame 304 on the outer side of the positioning column 305, a lower spring 307 is sleeved and fixed between the lower surface of the clamping diaphragm 302 and the inner lower surface of the positioning frame 304 on the outer side of the positioning column 305, a hydraulic lifting cylinder 308 is fixedly arranged below the positioning frame 304, and the lower end surface of the hydraulic lifting cylinder 308 is fixedly arranged on the upper surface of the swing bearing inner plate 2; the upper surface of the clamping transverse plate 302 and the inner upper surface position of the positioning frame 304 are respectively and fixedly embedded with a conduction contact block 309, the positions of the two conduction contact blocks 309 are corresponding to each other, the lower surface position of the positioning frame 304 is fixedly provided with a ejection fixing pipe 310, the ejection fixing pipe 310 is hollow and tubular, the end surface position of a telescopic rod of the hydraulic lifting cylinder 308 is provided with an ejection inserting cavity 311, the ejection fixing pipe 310 is fixedly inserted into the ejection inserting cavity 311, the inner part of the ejection inserting cavity 311 is fixedly provided with a fixing support ring 312, the fixing support ring 312 is in an annular ring shape, the lower end surface of the ejection fixing pipe 310 is propped against the upper surface position of the fixing support ring 312, the ejection fixing pipe 310 and the surface of the ejection inserting cavity 311 are respectively provided with through holes, the ejection fixing pipe 310 and the surface through holes of the insertion cavity 311 are corresponding to each other in size, the positioning pin 313 is inserted and fixed in the two through holes, the inner part of the ejection inserting cavity 311 is provided with an ejection powder 314 below the fixing support ring 312, the ejection powder 314 is connected in series with the two conduction contact blocks 309, and when the two conduction blocks 309 are contacted with each other, the two conduction blocks 309 can be contacted with each other in series, and the two conduction blocks 309 can be contacted with each other in a collision mode, and the two conduction blocks are contacted with each other.
The reversing driving structure comprises an inner plate reversing column 201, a reversing chuck 202, a reversing sleeve 203, a telescopic inner rod 204, an inner rod sleeve 205, a sleeve limiting ring 206, an inner rod limiting block 207, a driving screw block 208, a matching screw hole 209, a driving screw 210 and a screw rod end seat 211; the inner plate reversing column 201 is fixedly mounted at the upper surface position of the swing bearing inner plate 2, two groups of reversing chucks 202 are arranged, the reversing sleeve 203 is rotatably sleeved outside the inner plate reversing column 201 and is positioned between the two groups of reversing chucks 202, the telescopic inner rod 204 is fixedly mounted at the outer surface position of the reversing sleeve 203, the inner rod sleeve 205 is sleeved at one end of the telescopic inner rod 204, sleeve limiting rings 206 are fixedly mounted at the two end surface positions of the inner rod sleeve 205, an inner rod limiting block 207 is fixedly mounted at one end surface position of the telescopic inner rod 204, the inner rod limiting block 207 is positioned inside the inner rod sleeve 205, a driving screw block 208 is fixedly mounted at the outer surface position of the inner rod sleeve 205, a matched screw hole 209 is formed inside the driving screw block 208, a driving screw 210 is spirally mounted inside the matched screw hole 209, the two end surface positions of the driving screw 210 are respectively provided with screw end seats 211, the screw end seats 211 and the driving screw 210 are rotatably mounted, the driving screw 210 can be controlled in a forward and reverse rotation mode through a motor, the motor and the steering system of the automobile can be matched with the steering system of the automobile, and the front and back rotation speeds of the steering system of the automobile can be changed according to the angle of the automobile, and the steering speed of the front and the steering system can be fixed at the front and back positions of the outer frame 1.
The surface of the mounting outer frame 1 is provided with mounting nail holes 101, the whole battery assembly is mounted with the vehicle body through the mounting nail holes 101, an inner plate column 102 is fixedly mounted on the upper surface position of the swing bearing inner plate 2, an inner plate limiting plate 103 is fixedly mounted on the outer surface position of the inner plate column 102, an inner plate sleeve 104 is sleeved outside the inner plate column 102 in a rotating manner, the inner plate sleeve 104 is positioned between the two inner plate limiting plates 103, and a telescopic cavity tube 105 is fixedly mounted on the outer surface position of the inner plate sleeve 104; the inside activity of flexible chamber pipe 105 is inserted and is equipped with chamber pipe inner column 106, the tip fixed mounting of flexible chamber pipe 105 has spacing end plate 107, chamber pipe inner column 106 alternates through spacing end plate 107, the one end surface position fixed mounting of chamber pipe inner column 106 has interior post cardboard 108, interior post cardboard 108 is located the inside of flexible chamber pipe 105, the upper surface position fixed mounting of installation frame 1 has frame post 109, the outside of frame post 109 rotates the cover and is equipped with frame sleeve 110, the other end of chamber pipe inner column 106 and the surface fixed of frame sleeve 110, the surface position fixed mounting of frame post 109 has frame chuck 111, frame sleeve 110 is located between two frame chucks 111, can realize the bearing support to swing bearing inner panel 2 through above-mentioned structure, do not influence the swing activity of swing bearing inner panel 2 again simultaneously.
When the lithium ion battery assembly with the compression-resistant bearing function is used, the lithium battery section is arranged in the battery heat conduction cylinder 4, so that heat of the lithium battery section can be well conducted to the battery heat conduction plate 3, the hydraulic lifting cylinder 308 and the speed of a vehicle are matched and controlled in a linkage manner, the hydraulic lifting cylinder 308 contracts along with the increase of the speed of the vehicle, the road surface is flatter due to the fact that the faster the speed of the vehicle is, the heat dissipation is needed when the battery assembly is in a high-power discharging state, the hydraulic lifting cylinder 308 contracts, the positioning frame 304 moves downwards, the battery heat conduction plate 3 moves downwards, the air duct fins 5 penetrate through the swing bearing inner plate 2 to extend downwards, the gravity center position of the battery assembly is greatly reduced, meanwhile, the lower stretching of the air duct fins 5 can enable high-speed air flow to pass through the surface of the air duct fins 5, the heat dissipation effect of the air duct fins 5 on the battery heat conduction plate 3 is improved, the battery is more stable when the battery is discharged at high power, the lower-speed air flow can generate downward pressure when the air flow passes through the lower-speed fins 6, and the gravity center position of an electric vehicle is further reduced when the electric vehicle runs at the gravity center; when the vehicle turns, the motor drives the driving screw 210 to rotate, so that the driving screw block 208 is driven to move, the swinging support inner plate 2 swings and turns through the matching of the telescopic inner rod 204 and the inner rod sleeve 205, the angle of the air duct fin 5 is changed, the air duct fin 5 can follow the swinging when the vehicle turns at a high speed, the air duct fin 5 can be always matched with the air duct, when the air duct fin 5 or the battery heat conducting plate 3 is extruded and impacted, the upward pressure can compress the upper pressure spring 306, the conduction contact block 309 is in contact conduction, at the moment, the ejection gunpowder 314 is electrified and detonated, the explosion pressure ejects the positioning pin 313, further the ejection fixing tube 310 is ejected from the ejection inserting cavity 311, at the moment, the battery heat conducting plate 3 and the battery heat conducting cylinder 4 at the upper part of the battery heat conducting plate are instantly changed into a free state, and therefore impact pressure is greatly reduced, and collision damage of the battery assembly is further reduced.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (3)

1. The utility model provides a lithium ion battery pack with resistance to compression bearing function, includes installation frame (1), swing bearing inner panel (2), battery heat-conducting plate (3), battery heat-conducting tube (4), wind channel fin (5) and pushes down fin wing (6), its characterized in that: the device is characterized in that the installation outer frame (1) is rectangular, the swing support inner plate (2) is arranged in the installation outer frame (1) in a swinging mode, the battery heat conducting plate (3) is arranged above the swing support inner plate (2) in a lifting mode, the battery heat conducting cylinder (4) is fixedly arranged at the upper surface position of the battery heat conducting plate (3), the air duct fins (5) are fixedly arranged at the lower surface position of the battery heat conducting plate (3), the air duct fins (5) penetrate through the swing support inner plate (2) to extend downwards, the lower pressing fin wings (6) are fixedly arranged below the swing support inner plate (2) in the air duct fins (5), the upper surfaces of the lower pressing fins (6) are planes, and the lower surfaces of the lower pressing fins are cambered surfaces;
an elastic lifting mechanism with an emergency ejection function is arranged between the swing bearing inner plate (2) and the battery heat-conducting plate (3), and a reversing driving structure is arranged between the mounting outer frame (1) and the swing bearing inner plate (2);
the elastic lifting mechanism comprises a fixed vertical plate (301), a clamping transverse plate (302), a positioning hole (303), a positioning frame (304), a positioning column body (305), an upper pressure spring (306), a lower spring (307), a hydraulic lifting cylinder (308), a conducting contact block (309), an ejection fixing tube (310), an ejection inserting cavity (311), a fixing support ring (312), a positioning pin (313) and ejection gunpowder (314);
the fixing vertical plates (301) are fixedly arranged on the upper surfaces of the battery heat-conducting plates (3) near four corners respectively, the clamping transverse plates (302) are fixedly arranged on the upper end surfaces of the fixing vertical plates (301), positioning holes (303) are formed in the clamping transverse plates (302), and the positioning holes (303) penetrate the clamping transverse plates (302) up and down;
the clamping transverse plate (302) is provided with a locating frame (304) at the outer part, the locating frame (304) is C-shaped, the locating column body (305) is fixedly arranged in the locating frame (304), the upper end face and the lower end face of the locating column body (305) are respectively contacted and fixed with the inner surface of the locating frame (304), and the locating column body (305) is penetrated through the locating hole (303);
an upper pressure spring (306) is fixedly sleeved between the upper surface of the clamping transverse plate (302) and the inner upper surface of the positioning frame (304) on the outer side of the positioning column (305), a lower spring (307) is fixedly sleeved between the lower surface of the clamping transverse plate (302) and the inner lower surface of the positioning frame (304) on the outer side of the positioning column (305), a hydraulic lifting cylinder (308) is fixedly arranged below the positioning frame (304), and the lower end surface of the hydraulic lifting cylinder (308) is fixedly arranged on the upper surface of the swing bearing inner plate (2);
the upper surface of the clamping transverse plate (302) and the inner upper surface of the positioning frame (304) are fixedly embedded with conduction contact blocks (309) respectively, the positions of the two conduction contact blocks (309) correspond to each other, the lower surface of the positioning frame (304) is fixedly provided with a ejection fixing pipe (310), the ejection fixing pipe (310) is hollow and tubular, the surface of the end part of a telescopic rod of the hydraulic lifting cylinder (308) is provided with an ejection inserting cavity (311), the ejection fixing pipe (310) is fixedly inserted into the ejection inserting cavity (311), the inner part of the ejection inserting cavity (311) is fixedly provided with a fixing support ring (312), the fixing support ring (312) is in a ring shape, the lower end surfaces of the ejection fixing pipes (310) are abutted against the upper surface of the fixing support ring (312), the surfaces of the ejection fixing pipes (310) and the ejection inserting cavity (311) are provided with through holes, the surfaces of the ejection fixing pipes (310) and the ejection inserting cavity (311) correspond to each other in position and size, the positioning pins (313) are fixedly arranged in the inner part of the ejection inserting cavity (311) and are respectively connected with the ejection fixing support ring (312) in series, igniting ejection gunpowder (314) when the two conducting contact blocks (309) are contacted;
the reversing driving structure comprises an inner plate reversing column (201), a reversing chuck (202), a reversing sleeve (203), a telescopic inner rod (204), an inner rod sleeve (205), a sleeve limiting ring (206), an inner rod limiting block (207), a driving screw block (208), a matching screw hole (209), a driving screw (210) and a screw rod end seat (211);
the inner plate reversing column (201) is fixedly arranged at the upper surface position of the swing bearing inner plate (2), the number of the reversing chucks (202) is two, the reversing chucks are fixedly arranged at the outer surface position of the inner plate reversing column (201), the reversing sleeve (203) is rotatably sleeved outside the inner plate reversing column (201) and between the two groups of reversing chucks (202), the telescopic inner rod (204) is fixedly arranged at the outer surface position of the reversing sleeve (203), the inner rod sleeve (205) is sleeved at one end of the telescopic inner rod (204), sleeve limiting rings (206) are fixedly arranged at the two end surface positions of the inner rod sleeve (205), the inner rod limiting blocks (207) are fixedly arranged at the one end surface position of the telescopic inner rod (204), the inner rod limiting blocks (207) are positioned inside the inner rod sleeve (205), the driving screw blocks (208) are fixedly arranged at the outer surface position of the inner rod sleeve (205), the driving screw blocks (208) are internally provided with matched screw holes (209), the driving screw rods (210) are respectively arranged at the inner screw rod sleeve ends (210), the driving screw rods (210) are respectively matched with the driving screw rod (210) and the driving screw rod (210) through the driving screw rod system (211), the forward and reverse rotation speed and the number of turns are changed according to the steering angle of the automobile, and the screw rod end seat (211) is fixedly arranged on the upper surface of the mounting outer frame (1).
2. A lithium ion battery module with compressive support function according to claim 1, wherein: the novel swing type inner plate support is characterized in that a mounting nail hole (101) is formed in the surface of the mounting outer frame (1), an inner plate column (102) is fixedly mounted at the upper surface position of the swing type inner plate support (2), an inner plate limiting plate (103) is fixedly mounted at the outer surface position of the inner plate column (102), an inner plate sleeve (104) is sleeved outside the inner plate column (102) in a rotating mode, the inner plate sleeve (104) is located between the two inner plate limiting plates (103), and a telescopic cavity tube (105) is fixedly mounted at the outer surface position of the inner plate sleeve (104).
3. A lithium ion battery module with compressive support function according to claim 2, wherein: the inside activity of flexible chamber pipe (105) is inserted and is equipped with chamber intraductal post (106), the tip fixed mounting of flexible chamber pipe (105) has spacing end plate (107), the one end surface position fixed mounting of chamber intraductal post (106) has interior post cardboard (108), interior post cardboard (108) are located the inside of flexible chamber pipe (105), the upper surface position fixed mounting of installation frame (1) has outer frame post (109), the outside of outer frame post (109) rotates the cover and is equipped with outer frame sleeve (110), the other end and the external surface fixed of outer frame sleeve (110) of chamber intraductal post (106), the external surface position fixed mounting of outer frame post (109) has outer frame chuck (111), outer frame sleeve (110) are located between two outer frames (111).
CN202210403055.1A 2022-04-18 2022-04-18 Lithium ion battery pack with compression-resistant bearing function Active CN114744354B (en)

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